| Annex 1: Key Source Analysis |
| Table Number | .CSV |
| Table 1-1: Key Source Categories for the United States (1990-2003) Based on Tier 1 Approach | |
| Table 1-2: U.S Greenhouse Gas Inventory Source Categories Based on Tier 1 Approach | |
| Table 1-3: 1990 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-4: 1991 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-5: 1992 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-6: 1993 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-7: 1994 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-8: 1995 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-9: 1996 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-10: 1997 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-11: 1998 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-12: 1999 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-13: 2000 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-14: 2001 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-15: 2002 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-16: 1990-2003 Key Source Tier 1 Analysis - Level Assessment | |
| Table 1-17: 1990-2003 Key Source Tier 1 Analysis - Trend Assessment | |
| Annex 2: Methodology and Data for Estimating CO2 Emissions from Fossil Fuel Combustion |
| Table Number | .CSV |
| Table 2-1: 2003 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-2: 2002 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-3: 2001 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-4: 2000 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-5: 1999 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-6: 1998 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-7: 1997 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-8: 1996 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-9: 1995 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-10: 1994 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-11: 1993 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-12: 1992 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-13: 1991 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-14: 1990 Energy Consumption Data and CO2 Emissions from Fossil Fuel Combustion by Fuel Type | |
| Table 2-15: Non-Energy Fuel Consumption (TBtu) | |
| Table 2-16: International Bunker Fuel Consumption (TBtu) | |
| Table 2-17: Key Assumptions for Estimating Carbon Dioxide Emissions | |
| Table 2-18: Annually Variable Carbon Content Coefficients by Year (Tg Carbon/QBtu) | |
| Table 2-19: Electricity Consumption by End-Use Sector (Billion Kilowatt-Hours) | |
| Table 2-20: Carbon Content Coefficients Used in this Report (Tg Carbon/QBtu) | |
| Table 2-21: Carbon Content Coefficients for Coal by Consuming Sector and Coal Rank (Tg/QBtu) (1990-2003) | |
| Table 2-22: Variability in Carbon Content Coefficients by Rank Across States (Kilograms Carbon Dioxide Per MMBtu) | |
| Table 2-23: Composition of Natural Gas (Percent) | |
| Table 2-24: Carbon Content of Pipeline-Quality Natural Gas by Energy Content (Tg/QBtu) | |
| Table 2-25: Carbon Content Coefficients and Underlying Data for Petroleum Products | |
| Table 2-26: Motor Gasoline Density, 1990 – 2003 (Degrees API) | |
| Table 2-27: Characteristics of Major Reformulated Fuel Additives | |
| Table 2-28: Physical Characteristics of Liquefied Petroleum Gases | |
| Table 2-29: Consumption and Carbon Content Coefficients of Liquefied Petroleum Gases, 1990-2003 | |
| Table 2-30: Composition, Energy Content, and Carbon Content Coefficient for Four Samples of Still Gas | |
| Table 2-31: Characteristics of Non-hexane Special Naphthas | |
| Table 2-32: Carbon Content Coefficients for Coal by Consuming Sector and Coal Rank, 1990-2003 (Tg/QBtu) | |
| Table 2-33: Fuel Types and Percent of Carbon Stored for Non-Energy Uses | |
| Table 2-34: Net Exports of Petrochemical Feedstocks, 1990 – 2003 (Tg CO2 Eq.) | |
| Table 2-35: Carbon Stored and Emitted by Products from Feedstocks in 2003 (Tg CO2 Eq.) | |
| Table 2-36: 1998 TRI Releases by Disposal Location (Gg CO2 Eq.) | |
| Table 2-37: Industrial and Solvent NMVOC Emissions | |
| Table 2-38: Non-Combustion Carbon Monoxide Emissions | |
| Table 2-39: Assumed Composition of Combusted Hazardous Waste by Weight (Percent) | |
| Table 2-40: Carbon Emitted from Fuels Burned for Energy Recovery (Tg CO2 Eq.) | |
| Table 2-41: Summary of 1998 MECS Data for Other Fuels Used in Manufacturing/Energy Recovery (Trillion Btu) | |
| Table 2-42: 2003 Plastic Resin Production (Tg dry weight) and Carbon Stored (Tg CO2 Eq.) | |
| Table 2-43: Assigned Carbon Contents of Plastic Resins (% by weight) | |
| Table 2-44: Major Nylon Resins and their Carbon Contents (% by weight) | |
| Table 2-45: 1998 Rubber Consumption (Gg) and Carbon Content (%) | |
| Table 2-46: 2003 Fiber Production (Tg), Carbon Content (%), and Carbon Stored (Tg CO2 Eq.) | |
| Table 2-47: Active Ingredient Consumption in Pesticides (Million lbs.) and Carbon Emitted and Stored (Tg CO2 Eq.) | |
| Table 2-48: Commercial and Environmental Fate of Oil Lubricants (Percent) | |
| Table 2-49: Commercial and Environmental Fate of Grease Lubricants (Percent) | |
| Table 2-50: Wax End-Uses by Fate, Percent of Total Mass, Percent Stored, and Percent of Total Mass Stored | |
| Annex 3: Methodological Descriptions for Additional Source or Sink Categories |
| Table Number | .CSV |
| Table 3-1: Fuel Consumption by Stationary Combustion for Calculating CH4 and N2O Emissions (TBtu) | |
| Table 3-2: CH4 and N2O Emission Factors by Fuel Type and Sector (g/GJ) | |
| Table 3-3: NOx Emissions from Stationary Combustion (Gg) | |
| Table 3-4: CO Emissions from Stationary Combustion (Gg) | |
| Table 3-5: NMVOC Emissions from Stationary Combustion (Gg) | |
| Table 3-6: Vehicle Miles Traveled for Gasoline Highway Vehicles (109 Miles) | |
| Table 3-7: Vehicle Miles Traveled for Diesel Highway Vehicles (109 Miles) | |
| Table 3-8: Vehicle Miles Traveled for Alternative Fuel Highway Vehicles (109 Miles) | |
| Table 3-9: Detailed Vehicle Miles Traveled for Alternative Fuel Highway Vehicles (106 Miles) | |
| Table 3-10: Age Distribution by Vehicle/Fuel Type for Highway Vehicles, 1990 to 1998 | |
| Table 3-11: Age Distribution by Vehicle/Fuel Type for Highway Vehicles, 1999 | |
| Table 3-12: Age Distribution by Vehicle/Fuel Type for Highway Vehicles, 2000 | |
| Table 3-13: Age Distribution by Vehicle/Fuel Type for Highway Vehicles, 2001 | |
| Table 3-14: Age Distribution by Vehicle/Fuel Type for Highway Vehicles, 2002 | |
| Table 3-15: Age Distribution by Vehicle/Fuel Type for Highway Vehicles, 2003 | |
| Table 3-16: Annual Average Vehicle Mileage Accumulation per Vehicle (miles) | |
| Table 3-17: VMT Distribution by Vehicle Age and Vehicle/Fuel Type, 1990-1998 | |
| Table 3-18: VMT Distribution by Vehicle Age and Vehicle/Fuel Type, 1999 | |
| Table 3-19: VMT Distribution by Vehicle Age and Vehicle/Fuel Type, 2000 | |
| Table 3-20: VMT Distribution by Vehicle Age and Vehicle/Fuel Type, 2001 | |
| Table 3-21: VMT Distribution by Vehicle Age and Vehicle/Fuel Type, 2002 | |
| Table 3-22: VMT Distribution by Vehicle Age and Vehicle/Fuel Type, 2003 | |
| Table 3-23: Fuel Consumption for Non-Highway Vehicles by Fuel Type (thousand gallons) | |
| Table 3-24: Control Technology Assignments for Gasoline Passenger Cars (Percent of VMT) | |
| Table 3-25: Control Technology Assignments for Gasoline Light-Duty Trucks (Percent of VMT) | |
| Table 3-26: Control Technology Assignments for Gasoline Heavy-Duty Vehicles (Percent of VMT) | |
| Table 3-27: Control Technology Assignments for Diesel Highway Vehicles and Motorcycles | |
| Table 3-28: Emission Factors for CH4 and N2O for Highway Vehicles | |
| Table 3-29: Emission Factors for CH4 and N2O for Alternative Fuel Vehicles | |
| Table 3-30: Emission Factors for CH4 and N2O Emissions from Non-Highway Mobile Combustion (g gas/kg fuel) | |
| Table 3-31: CH4 Emissions from Mobile Combustion (Tg CO2 Eq.) | |
| Table 3-32: N2O Emissions from Mobile Combustion (Tg CO2 Eq.) | |
| Table 3-33: NOx Emissions from Mobile Combustion, 1990-2003 (Gg) | |
| Table 3-34: CO Emissions from Mobile Combustion, 1990-2003 (Gg) | |
| Table 3-35: NMVOCs Emissions from Mobile Combustion, 1990-2003 (Gg) | |
| Table 3-36: CO2 Emissions from Non-Transportation Mobile Sources (Tg CO2 Eq.) | |
| Table 3-37: Total U.S. Greenhouse Gas Emissions from Transportation and Mobile Sources (Tg CO2 Eq.) | |
| Table 3-38: Transportation and Mobile Source Emissions by Gas (Tg CO2 Eq.) | |
| Table 3-39: Greenhouse Gas Emissions from Passenger Transportation (Tg CO2 Eq.) | |
| Table 3-40: Greenhouse Gas Emissions from Domestic Freight Transportation (Tg CO2 Eq.) | |
| Table 3-41: Mine-Specific Data Used to Estimate Ventilation Emissions | |
| Table 3-42: Coal Basin Definitions by Basin and by State | |
| Table 3-43: Annual Coal Production (Thousand Short Tons) | |
| Table 3-44: Coal Surface and Post-Mining Methane Emission Factors (ft3 per Short Ton) | |
| Table 3-45: Underground Coal Mining Methane Emissions (Billion Cubic Feet) | |
| Table 3-46: Total Coal Mining Methane Emissions (Billion Cubic Feet) | |
| Table 3-47: Total Coal Mining Methane Emissions by State (Million Cubic Feet) | |
| Table 3-48: 1992 Data and Emissions (Gg) for Venting and Flaring from Natural Gas Field Production Stage | |
| Table 3-49: Activity Factors for Key Drivers | |
| Table 3-50: Methane reductions derived from the Natural Gas STAR program (Gg) | |
| Table 3-51: CH4 Emission Estimates from the Field Production Stage (Gg) | |
| Table 3-52: U.S. Total Natural Gas Production (Trillion Ft3/yr) and Associated CH4 Emissions (Gg) | |
| Table 3-53: 2003 CH4 Emissions from Petroleum Production Field Operations | |
| Table 3-54: 2003 CH4 Emissions from Petroleum Transportation | |
| Table 3-55: 2003 CH4 Emissions from Petroleum Refining | |
| Table 3-56: Summary of CH4 Emissions from Petroleum Systems (Gg) | |
| Table 3-57: 2001 Plastics in the Municipal Solid Waste Stream by Resin (Gg) | |
| Table 3-58: 2001 Plastics Combusted (Gg), Carbon Content (%), Fraction Oxidized (%) and Carbon Combusted (Gg) | |
| Table 3-59: Elastomers Consumed (Gg), Carbon Content (%), and Carbon Equivalent (Gg) in 1998 | |
| Table 3-60: Scrap Tire Constituents and CO2 Emissions (Tg CO2 Eq.) from Scrap Tire Combustion in 2001 | |
| Table 3-61: Rubber and Leather in Municipal Solid Waste in 2001 | |
| Table 3-62: Generation, Recovery, Discards, and Combustion of Textiles in MSW (Gg) | |
| Table 3-63: Synthetic Fiber Production (Tg) and Carbon Content (%) in 2000 | |
| Table 3-64: Transportation Fuels from Domestic Fuel Deliveries (Million Gallons) | |
| Table 3-65: Total U.S. Military Aviation Bunker Fuel (Million Gallons) | |
| Table 3-66: Total U.S. DoD Maritime Bunker Fuel (Million Gallons) | |
| Table 3-67: Aviation and Marine Carbon Contents (Tg Carbon/QBtu) and Fraction Oxidized | |
| Table 3-68: Annual Variable Carbon Content Coefficient for Jet Fuel (Tg Carbon/QBtu) | |
| Table 3-69: Total U.S. DoD CO2 Emissions from Bunker Fuels (Tg CO2 Eq.) | |
| Table 3-70. Refrigeration and Air-Conditioning Market Transition Assumptions | |
| Table 3-71. Refrigeration and Air-conditioning Lifetime Assumptions | |
| Table 3-72. Aerosol Product Transition Assumptions | |
| Table 3-73. Solvent Market Transition Assumptions | |
| Table 3-74. Fire Extinguishing Market Transition Assumptions | |
| Table 3-75. Foam Blowing Market Transition Assumptions | |
| Table 3-76. Emission profile for the foam end-uses | |
| Table 3-77: Cattle Population Categories Used for Estimating Methane Emissions | |
| Table 3-78: Dairy Lactation by Region (lbs• year/cow) | |
| Table 3-79: Target Weights for Use in Estimating Average Weights and Weight Gains (lbs) | |
| Table 3-80: Feedlot Placements in the United States for 2003 (Number of animals placed in Thousand Head) | |
| Table 3-81: DE Values and Representative Regional Diets (Percent of Diet for each Region) for the Supplemental Diet of Grazing Beef Cattle | |
| Table 3-82: Percent of Each Diet that is Supplemental, and the Resulting DE Values for Each Region | |
| Table 3-83: Regional Digestible Energy (DE), Methane Conversion Rates (Ym), and Population Percentages for Cattle in 2003 | |
| Table 3-84: CH4 Emissions from Cattle (Gg) | |
| Table 3-85: Emission Factors for Other Livestock (kg CH4/head/year) | |
| Table 3-86: CH4 Emissions from Enteric Fermentation (Tg CO2 Eq.) | |
| Table 3-87: CH4 Emissions from Enteric Fermentation (Gg) | |
| Table 3-88: Livestock Population (1,000 Head) | |
| Table 3-89: Waste Characteristics Data | |
| Table 3-90: Estimated Volatile Solids Production Rate by State for 2003 | |
| Table 3-91: 2003 Manure Distribution Among Waste Management Systems at Beef Feedlots (Percent) | |
| Table 3-92: 2003 Manure Distribution Among Waste Management Systems at Dairies (Percent) | |
| Table 3-93: 2003 Manure Distribution Among Waste Management Systems at Dairy Heifer Facilities (Percent) | |
| Table 3-94: 2003 Manure Distribution Among Waste Management Systems at Swine Operations (Percent) | |
| Table 3-95: 2003 Manure Distribution Among Waste Management Systems at Layer Operations (Percent) | |
| Table 3-96: 2003 Manure Distribution Among Waste Management Systems at Broiler and Turkey Operations (Percent) | |
| Table 3-97: Methane Conversion Factors By State for Liquid Systems for 2003 (percent) | |
| Table 3-98: Weighted Methane Conversion Factors for 2003 (Percent) | |
| Table 3-99: CH4 Emissions from Livestock Manure Management (Gg) | |
| Table 3-100: N2O Emissions from Livestock Manure Management (Gg) | |
| Table 3-101: Livestock Manure Nitrogen (Gg N) | |
| Table 3-102: Commercial Fertilizer Consumption & Land Application of Sewage Sludge (Gg N) | |
| Table 3-103: Aboveground Biomass Nitrogen in Non-Major Nitrogen-Fixing Crops (Gg N) | |
| Table 3-104: Key Assumptions for Non-Major Crop Production and Crop Residue | |
| Table 3-105: Nitrogen in Crop Residues Retained on Soils Producing Non-Major Crops (Gg N) | |
| Table 3-106: Cultivated Histosol Area (Thousand Hectares) | |
| Table 3-107: Direct 2 Emissions from Agricultural Soils (Tg CO2 Eq.) | |
| Table 3-108: Direct N2O Emissions from Pasture, Range, and Paddock Livestock Manure (Tg CO2 Eq.) | |
| Table 3-109: Indirect N2O Emissions (Tg CO2 Eq.) | |
| Table 3-110: Total N2O Emissions (Tg CO2 Eq.) | |
| Table 3-111. Source of Forest Inventory and Average Year of Field Survey Used to Estimate Statewide Carbon Stocks. | |
| Table 3-112. Average Carbon Density (Mg/ha) by Carbon Pool and Forest Area (1000 ha) for Forest Types Based on the Inventory in the 2002 RPA Database. | |
| Table 3-113. Net Annual Changes in Carbon Stocks (Tg C yr-1) in Forest and Harvested Wood Pools, 1990-2003 | |
| Table 3-114. Carbon Stocks (Tg C) in Forest and Harvested Wood Pools, 1990-2004 | |
| Table 3-115: Characteristics of the IPCC Climate Zones that Occur in the United States | |
| Table 3-116: U.S. Soil Groupings Based on the IPCC Categories and Dominant Taxonomic Soil, and Reference Carbon Stocks (Metric Tons C/ha) | |
| Table 3-117: Land Use and Management Systems | |
| Table 3-118: Management Factors for the U.S. and the IPCC Default Values Associated with Impacts on Mineral Soils | |
| Table 3-119: Factor Estimate for the Initial Increase in C During the First 10 Years Following Wetland Restoration of Conservation Reserve Program. (Mass Accumulation Rate Represents Additional Gains in C for mineral soils After the First 10 Years) | |
| Table 3-120: Carbon Loss Rates from Organic Soils Under Agricultural Management in the United States, and the IPCC Default Rates (Metric Ton C/ha-yr) | |
| Table 3-121: Areas for each Land-Use and Management System Used in IPCC Method for all U.S. Land Area Categorized as an Agricultural Use in 1992 or 1997 (Million Hectares) | |
| Table 3-122: Tillage Percentages for each Management System in U.S. Climate Zones, with Adjustments for Long-term Adoption of No-till Agriculture (Percent) | |
| Table 3-123. Percentage of Crop and Grazing Lands that are Managed with Manure Amendments in Each Climate Zone, as Determined from the Relationship Between Manure N Production and Application. | |
| Table 3-124: Land Areas for Each Organic Land Use Category (For All U.S. Land Area Categorized as Agricultural in 1992 or 1997) (Million Hectares) | |
| Table 3-125: Annual Change in Soil Organic Carbon for U.S. Agricultural Soils Based on the Monte Carlo Uncertainty Analysis with U.S. Factor Values, Reference Carbon Stocks, and Carbon Loss Rates (Tg CO2 Eq.) | |
| Table 3-126: Assumptions and Calculations to Estimate the Contribution to Agricultural Soil Organic Carbon from Application of Sewage Sludge to Mineral Soils | |
| Table 3-127. Additional Change in Soil C Due to Manure Amendments After 1997 | |
| Table 3-128: Annual Net Flux of CO2 from U.S. Agricultural Soils for the Baseline Inventory (Uncertainty Analysis) Plus the Additional Land Use/Management Considerations (Tg CO2 Eq.) | |
| Table 3-129: Municipal Solid Waste (MSW) Contributing to CH4 Emissions (Tg unless otherwise noted) | |
| Table 3-130: Methane Emissions from Landfills (Gg) | |
| Annex 4: IPCC Reference Approach for Estimating CO2 Emissions from Fossil Fuel Combustion |
| Table Number | .CSV |
| Table 4-1: 2003 U.S. Energy Statistics (Physical Units) | |
| Table 4-2: Conversion Factors to Energy Units (Heat Equivalents) | |
| Table 4-3: 2003 Apparent Consumption of Fossil Fuels (TBtu) | |
| Table 4-4: 2003 Potential Carbon Dioxide Emissions | |
| Table 4-5: 2003 Non-Energy Carbon Stored in Products | |
| Table 4-6: 2003 Reference Approach CO2 Emissions from Fossil Fuel Consumption (Tg CO2 Eq. unless otherwise noted) | |
| Table 4-7: Fuel Consumption in the United States by Estimating Approach (TBtu) | |
| Table 4-8: CO2 Emissions from Fossil Fuel Combustion by Estimating Approach (Tg CO2 Eq.) | |
| Annex 6: Additional Information |
| Table Number | .CSV |
| Table 6-1: Global Warming Potentials (GWP) and Atmospheric Lifetimes (Years) of Gases Used in this Report | |
| Table 6-2: Net 100-year Global Warming Potentials for Select Ozone Depleting Substances | |
| Table 6-3: Comparison of GWPs and lifetimes used in the SAR and the TAR | |
| Table 6-4: Recent Trends in U.S. Greenhouse Gas Emissions and Sinks using the TAR GWPs (Tg CO2 Eq.) | |
| Table 6-5: Change in U.S. Greenhouse Gas Emissions and Sinks Using TAR vs. SAR GWPs (Tg CO2 Eq.) | |
| Table 6-6: Change in U.S. Greenhouse Gas Emissions Using TAR vs. SAR GWPs (Percent) | |
| Table 6-7: Effects on U.S. Greenhouse Gas Emissions Using TAR vs. SAR GWPs (Tg CO2 Eq.) | |
| Table 6-8: Comparison of Emissions by Sector using IPCC SAR and TAR GWP Values (Tg CO2 Eq.) | |
| Table 6-9: Emissions of Ozone Depleting Substances (Gg) | |
| Table 6-10: SO2 Emissions (Gg) | |
| Table 6-11: SO2 Emissions from Electricity Generation (Gg) | |
| Table 6-12: Guide to Metric Unit Prefixes | |
| Table 6-13: Conversion Factors to Energy Units (Heat Equivalents) | |
| Table 6-14: Guide to Chemical Formulas | |
| Annex 7: Uncertainty |
| Table Number | .CSV |
| Table 7-1: Uncertainty estimates developed using Tier 1 uncertainty analysis | |
| Table 7-2: Uncertainty estimates developed using Tier 2 uncertainty analysis | |